20236837206 has 16 divisors (see below), whose sum is σ = 40522624704. Its totient is φ = 6737454024.

The previous prime is 20236837189. The next prime is 20236837241. The reversal of 20236837206 is 60273863202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2034220 + ... + 2044143.

It is an arithmetic number, because the mean of its divisors is an integer number (2532664044).

Almost surely, 2^20236837206 is an apocalyptic number.

20236837206 is an abundant number, since it is smaller than the sum of its proper divisors (20285787498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20236837206 is a wasteful number, since it uses less digits than its factorization.

20236837206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4079195.

The product of its (nonzero) digits is 145152, while the sum is 39.

The spelling of 20236837206 in words is "twenty billion, two hundred thirty-six million, eight hundred thirty-seven thousand, two hundred six".